Finding the Fourth Proportional to 451,892.09, 623,590.03 and 247,938.41
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Solution
The fourth proportional to 451,892.09, 623,590.03 and 247,938.41 is: 342,143.45
Step by Step Solution
- Step 1: Write the proportion equation
451,892.09 : 623,590.03 = 247,938.41 : x - Step 2: Convert to fraction form
451,892.09/623,590.03 = 247,938.41/x - Step 3: Cross multiply
451,892.09x = 623,590.03 × 247,938.41 - Step 4: Simplify right side
451,892.09x = 154,611,920,530.05 - Step 5: Solve for x
x = 154,611,920,530.05/451,892.09 - Step 6: Final answer
x = 342,143.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.